Multibase Multi-Pro® 1508 M Polypropylene

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Multibase Multi-Pro® 1508 M Polypropylene
Categories:	Polymer; Thermoplastic; Polypropylene (PP)
Material Notes:	Mica Filled, 15% by weight. Features: Rigidity, High Impact Resistance, Good Forms: Pellets Processing Methods: Injection Molding Uses: Automotive Applications Information provided by Multibase
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Physical Properties	Metric	English	Comments

Density	1.02 g/cc	0.0368 lb/in³	ASTM D792
Linear Mold Shrinkage	0.010 cm/cm	0.010 in/in	ASTM D955
Melt Flow	8.5 g/10 min	8.5 g/10 min	ASTM D1238

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	34.6 MPa	5020 psi	ASTM D638
Elongation at Break	36 %	36 %	ASTM D638
Flexural Yield Strength	53.8 MPa	7800 psi	ASTM D790
Flexural Modulus	2.17 GPa	315 ksi	ASTM D790
Izod Impact, Notched	0.502 J/cm	0.940 ft-lb/in	73°F; ASTM D256
Gardner Impact	1.695 J	1.250 ft-lb	ASTM D3029

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	65.6 °C	150 °F	Unannealed; ASTM D648

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	216 - 260 °C	420 - 500 °F
Middle Barrel Temperature	216 - 260 °C	420 - 500 °F
Front Barrel Temperature	221 - 260 °C	430 - 500 °F
Nozzle Temperature	216 - 249 °C	420 - 480 °F
Mold Temperature	4.44 - 65.6 °C	40.0 - 150 °F
Drying Temperature	93.3 °C	200 °F
Dry Time	2 hour	2 hour
Back Pressure	0.138 - 0.345 MPa	20.0 - 50.0 psi
Screw Speed	40 - 100 rpm	40 - 100 rpm

Descriptive Properties
Clamp Tonnage	2-4 tons/in²
Screw L/D Ratio	20:1

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PMULTI225 / 54129

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